131111000332331 has 2 divisors, whose sum is σ = 131111000332332. Its totient is φ = 131111000332330.

The previous prime is 131111000332309. The next prime is 131111000332343. The reversal of 131111000332331 is 133233000111131.

It is a strong prime.

It is an emirp because it is prime and its reverse (133233000111131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131111000332331 - 2¹⁰ = 131111000331307 is a prime.

It is a super-2 number, since 2×131111000332331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131111000332297 and 131111000332306.

It is not a weakly prime, because it can be changed into another prime (131111000332381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65555500166165 + 65555500166166.

It is an arithmetic number, because the mean of its divisors is an integer number (65555500166166).

Almost surely, 2^{131111000332331} is an apocalyptic number.

131111000332331 is a deficient number, since it is larger than the sum of its proper divisors (1).

131111000332331 is an equidigital number, since it uses as much as digits as its factorization.

131111000332331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 131111000332331 its reverse (133233000111131), we get a palindrome (264344000443462).

The spelling of 131111000332331 in words is "one hundred thirty-one trillion, one hundred eleven billion, three hundred thirty-two thousand, three hundred thirty-one".